Device count and Replication

Brad Fitzpatrick brad at danga.com
Fri Aug 12 09:08:06 PDT 2005


VItaliy,

I believe by default it'll only replicate to disks that are on different
hostids.  Because all your devices are on the same hostid (1), it doesn't
replicate them.

- Brad


On Fri, 12 Aug 2005, Vitaliy F. Scherbakov wrote:

> Hello, Brad,
>
> I set up MogileFS.
> I have 3 device (HDD).
> mounted as:
> /data/dev1
> /data/dev2
> /data/dev3
> I have records in my mysql `device`:
> | devid | hostid | status | mb_total | mb_used | mb_asof |
> +-------+--------+--------+----------+---------+---------+
> |     1 |      1 | alive  |   291937 |    NULL |    NULL |
> |     2 |      1 | alive  |   291937 |    NULL |    NULL |
> |     3 |      1 | alive  |   291937 |    NULL |    NULL |
> I have `domain`:
> +------+-----------+
> | dmid | namespace |
> +------+-----------+
> |    1 | straight  |
>
> I have `class`:
> +------+---------+-----------+-------------+
> | dmid | classid | classname | mindevcount |
> +------+---------+-----------+-------------+
> |    1 |       1 | straight  |           3 |
>
> I try to save my local file using MogileFS.php.
> File saved, new record in table `file` appeares, but it saved only in
> one copy.
> ex. /data/dev2/0/000/00031233.fid
>
> What I do wrong?
>
> Best regards,
> VItaliy.
>
>


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